Custom 2g fiberglass enclosure with 2 12" rockford p3 subs, very cheap.
Don't sell your car to 16 year olds...
95 Eclipse RS - Sold for 6k, totalled three days later 91 Dodge Stealth R/T TT - 3" exhaust w/ no cats, eurethane motor mounts, 300M unbreakable output shaft, kevlar faced clutch, turbo XS BOV, 99 3000gt front conversion, carbon fiber hood. Dyno'd at 386hp. - SOLD! for 5k 98 Dodge Ram 1500 Club Cab 4x4 black on black.